| Field Name | Field Type | Field Constraints | Field Notes |
|---|---|---|---|
| top block | unsigned int | <div style="padding-left: 0px;">Minimum = 0</div> | |
| mid block | unsigned int | <div style="padding-left: 0px;">Minimum = 0</div> | |
| sea floor block | unsigned int | <div style="padding-left: 0px;">Minimum = 0</div> | |
| foundation block | unsigned int | <div style="padding-left: 0px;">Minimum = 0</div> | |
| sea block | unsigned int | <div style="padding-left: 0px;">Minimum = 0</div> | |
| sea floor depth | int |